Imported pristine psxsdk-20190410 from official repo

1 files changed, 28 insertions, 0 deletions

diff --git a/libm/s_ldexp.c b/libm/s_ldexp.c
new file mode 100644
index 0000000..7698d94
--- /dev/null
+++ b/libm/s_ldexp.c
@@ -0,0 +1,28 @@
+
+/* @(#)s_ldexp.c 1.3 95/01/18 */
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunSoft, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice 
+ * is preserved.
+ * ====================================================
+ */
+
+#include "math.h"
+#include <errno.h>
+
+#ifdef __STDC__
+	double ldexp(double value, int exp)
+#else
+	double ldexp(value, exp)
+	double value; int exp;
+#endif
+{
+	if(!finite(value)||value==0.0) return value;
+	value = scalbn(value,exp);
+	if(!finite(value)||value==0.0) errno = ERANGE;
+	return value;
+}